ASTM D-4815 Internal Standard Back Catalog number: 51072 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 684510 D5-Ethofumesate, 100 µg/ml, Acetonitrile, 1ml Price on request 1334.5-100MG 2-Methyltetrahydrothiophene, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 1795-09-1 Price on request 92751 Pesticide Standard Price on request